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Finding the Fourth Proportional to 159,311.68, 239,008.48 and 46,987.36

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Solution

The fourth proportional to 159,311.68, 239,008.48 and 46,987.36 is: 70,493.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,311.68 : 239,008.48 = 46,987.36 : x
  2. Step 2: Convert to fraction form
    159,311.68/239,008.48 = 46,987.36/x
  3. Step 3: Cross multiply
    159,311.68x = 239,008.48 × 46,987.36
  4. Step 4: Simplify right side
    159,311.68x = 11,230,377,492.81
  5. Step 5: Solve for x
    x = 11,230,377,492.81/159,311.68
  6. Step 6: Final answer
    x = 70,493.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.